Home / 15,260.13-21,060.92-9,291.44

Finding the Fourth Proportional to 15,260.13, 21,060.92 and 9,291.44

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Solution

The fourth proportional to 15,260.13, 21,060.92 and 9,291.44 is: 12,823.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,260.13 : 21,060.92 = 9,291.44 : x
  2. Step 2: Convert to fraction form
    15,260.13/21,060.92 = 9,291.44/x
  3. Step 3: Cross multiply
    15,260.13x = 21,060.92 × 9,291.44
  4. Step 4: Simplify right side
    15,260.13x = 195,686,350.41
  5. Step 5: Solve for x
    x = 195,686,350.41/15,260.13
  6. Step 6: Final answer
    x = 12,823.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.